2 - 203
4. ELECTRICAL WIRING DIAGRAMS
DATA G10
OUTDOOR UNITS
HP
4. ELECTRICAL WIRING DIAGRAMS
PUHY
-HP200, 250YHM-A(-BS)
Outdoor unit heat exchanger
capacity control
21S4b
SV5b
Outdoor unit heat exchanger
capacity control
For opening/closing the injection
circuit
LEV4
Cooling/Heating switching
SV6
For opening/closing the subcool
bypass circuit
Low pressure
63LS
For opening/closing the bypass
circuit
For opening/closing the discharge
suction bypass
Solenoid
valve
Control box internal temperature
THBOX
Pipe temperature
Z24,25
Thermistor
Subcool bypass outlet
temperature
Discharge pipe temperature
Subcooled liquid refrigerant
temperature
OA
temperature
IGBT
temperature
Function setting connector
THHS
TH7
TH6
TH4
TH3
TH2
Power supply
Explanation
Indoor/Outdoor transmission
cable
Central control transmission
cable
T
erminal
block
TB7
TB3
TB1
Symbol
Pressure control,Refrigerant flow
rate control
DC reactor
DCL
SV1a
LEV2a,b
LEV1
Linear
expansion
valve
Solenoid
valve
HIC bypass,Controls refrigerant
flow in HIC circuit
CT12,22,3
CH1
1
Crankcase heater(for heating the compressor)
Current sensor(AC)
Magnetic relay(inverter main circuit)
72C
Middle pressure
Discharge pressure
High pressure protection for the
outdoor unit
Pressure
switch
Pressure
sensor
63HS2
63H1
Symbol
Explanation
4-way valve
21S4a
For opening/closing the bypass
circuit under the O/S
SV2
SV9
63HS1
<Symbol explanation>
*1.
Single-dotted lines indicate wiring
not supplied with the unit.
*2.
Dot-dash lines indicate the control
b
o
x
b
o
u
n
d
a
r
i
e
s
.
*3.
Refer to the Data book for connecting
i
n
p
u
t
/
o
u
t
p
u
t
s
i
g
n
a
l
c
o
n
n
e
c
t
o
r
s
.
*4.
Daisy-chain terminals (TB3) on the
outdoor units in the same refrigerant
s
y
s
t
e
m
t
o
g
e
t
h
e
r
.
*5.
Faston terminals have a locking
function.Make sure the terminals
are securely locked in place after
insertion.Press the tab on the
terminals to removed them.
*6.
Control box houses high-voltage parts.
Before inspecting the inside of the
control box,turn of
f the power
,keep
the unit of
f for at least 10 minutes,
and confirm that the voltage between
FT
-P
and FT
-N on INV Board has dropped
to DC20V or less.
CN506
X05
SV5b
1
3
6
21S4b
X01
CN501
1
3
LED1:Power supply to
Indoor/Outdoor
transmission line
LEV4
M
CNL
VE
yellow
6
5
4
3
2
1
63HS2
CN992
yellow
1
2
3
3
1
2
CN510
red
X13
1
3
6
SV6
SV2
3
DCL
t
°
M1
M2
SV1a
Z3
2
1
-
+
M-NET
power
supply circuit
C5
LED3:CPU in
operation
LED1:Normal
operation
SC-L1
SC-L2
1
2
W
U
SC-W
1
Z5
R1
R2
R3
C3
C2
F3
F2
F1
Z1
Z2
R5
D1
R4
R6
C17
Diode
Bridge
C7
C8
C9
C10
C4
C1
C6
Power Source
3N~
50/60Hz
380/400/415V
N
L3
L2
L1
TB1
N
L3
L2
L1
L
F4AC250V
6.3A
T
black
white
red
3
1
CN3
green
TB24
N
TB23
L3
TB22
L2
TB21
L1
CN1B
4
1
3
1
CN1A
U
U
U
F1,F2,F3
AC250V
6.3A
T
U
Z4
DSA
CN2
6
5
3
1
Noise
Filter
U
ZNR01
U
+
3
1
CN5
red
3
CN4
blue
1
4
7
1
CNINV
CNVDC
4
1
F
AN Board
F01
DC700V
4A
T
C630
C631
R631
R630
IPM
CN18V
blue
CN4
red
CN5
2
1
1
3
1
2
2
3
4
1
CN21
blue
CN22
red
6
5
4
3
°
t
THBOX
LED2:Error
Fan motor
(Heat exchanger)
M3~
V
C100
R1
R5
*5
black
red
2
4
3
1
72C
black
red
SC-P1
SC-P2
4
CN1
1
LED1:Normal operation(Lit)
/ Error(Blink)
CN5V
yellow
CN6
21
3
1
CN4
1
2
CN2
1
5
2
7
1
CNTYP
black
C1
RSH1
t
°
THHS
*6
FT
-P
FT
-N
P
N
INV Board
+
+
+
+
+
+
+
+
R34
C30
C32C34C36R30
R32
C31
C33C35C37R31
R33
black
white
red
R35
CT3
SC-L3
IGBT
SC-U
SC-V
CT12
CT22
red
white
black
black
white
red
U
V
W
MS
3~
Motor
(Compressor)
Central control
transmission
cable
Indoor/Outdoor
transmission
cable
*4
TP2
TP1
TB7
S
M2
M1
TB3
M-NET
Board
1
3
CN04
red
CN102
4321
CNS2
yellow
21
5432
CNIT
red
1
63H1
P
LEV2b
M
LEV2a
M
M
LEV1
1
2
3
4
5
6
CNL
V
A
CNL
VB
red
1
2
3
4
5
6
5
4
3
2
1
6
CNL
VC
red
3
1
CNTYP2
black
Z24
3
2
1
Z25
CNTYP5
green
CNTYP4
green
4
3
2
1
CN213
red
CN212
2
1
TH6TH7
TH3
t
°
t
°
t
°
2
1
3
63LS
63HS1
2
1
3
TH2
°
t
TH4
3
2
1
CN202
red
CN201
2
3
1
CN215
black
2
1
CN21
1
2
1
red
CNIT
yellow
CNS2
5
1
2
3
4
OFF
ON
1
2
3
4
1
2
3
4
CN41
CN40
CN102
4
3
2
1
CN3D
1
2
3
red
CN3S
1
2
3
blue
CN3N
1
2
3
*3
yellow
CN3K
1
2
CNAC
red
2
1
3
F01
AC250V
3.15A
T
6
5
3
1
SV9
X09
X10
CN508
black
3
1
21S4a
CN504
green
X04
X03
CH1
1
3
1
CN503
blue
2
1
CN502
X02
1
2
CNAC2
black
6
5
72C
1
2
CN72
red
3
1
CNDC
pink
12
CNT01
1
3
1
2
2
1
2
1
CN801
yellow
CNT02
CN332
blue
CN4
CN2
7
5
2
1
CPU power
supply circuit
Power failure
detection circuit
Control Board
LED1
SW1
ON
OFF
1
10
SW2
ON
OFF
1
10
SW3
ON
OFF
1
10
SW4
ON
OFF
1
10
ON
OFF
1
10
SW5
5
4
3
12V
1
CN51
*3
SWU2
SWU1
10's
digit
1'sdigit
Unit address
setting
LED1
Display
setting
Function
setting
Compressor ON/OFF output
Error detection output
TB7 Power
selecting
connector
LED3:Lit when powered
LED2:CPU in operation
